01CodesForeign tools miss Indian data
IS 875, IS 1893, and DISCOM at the pin — not a US default.
Indian codesFive weather filesOne PDF
See every kilowattbefore you bid.
Solar simulation with a loss trail lenders can read — IS 875 and IS 1893 at the pin, weather locked, bankable PDF in one run.
- IS 875Wind at pin
- 5Weather files
- 3,12,421kWh P50 BVJ
4 plants · 14+ plant-years · Maharashtra, Gujarat, Rajasthan
Where the sunlight goes
BVJ rooftop · 210.1 kWp · locked PVGIS year · every cut is a real kWh.
- Start
- 18,01,811
- Taken
- 0
- Left
- 18,01,811
- Kept
- 100.0%
- 01Sunlight on roof—18,01,811
- 02Transposition−60,15617,41,656
- 03Panels to DC output−1,338,6724,02,984
- 04Soiling−7,9493,95,035
- 05Temperature−54,2683,40,767
- 06DC cable−2,8013,37,966
- 07Inverter−5,0203,32,946
- 08AC cable−5833,32,363
- 09Availability (94%)−19,9423,12,421
18,01,811
kWh leftEngine K · PVGIS locked
Sunlight on roof
Full GHI on the roof
1,801,811 kWh of GHI on the BVJ tin-shed aperture in a locked PVGIS year.
Plane of array starts here. Nothing sold yet.
Every loss visible. Nothing hidden.
40 MW. 10 metered years. REEOS on the same years.
Metered MWh REEOS with module wearY6 is the known outage / soiling year — not hidden.
10-year error
-0.39%Metered 6,53,350 vs REEOS 6,55,930 MWhTypical year (ex-Y6)
0.27%Mean |error| across nine quiet yearsAll-year |error|
0.60%Includes the Y6 dipWorst year
Y6 · +3.54%Metered 63,100 · model 65,420Why bids stall
What slows a bid in India
01Codes
02TrustResults arrive as a black box
A PR number is not a loss trail a lender can read.
03TimeThe report takes too long
One PDF in the same run. Not a week of Word files.
Pin the site. Take the PDF.
Start on India. Pick a state, then a city. Next walks capacity, kit, year, and the unlock PDF.
Click a step · 1 of 5
Resolving the pin
- OKIS 875 wind zone
- ···IS 1893 seismic
- ···DISCOM at coordinates
In the same run
Weather from five sources
Compared at your pin. Best one locked. Shown in the PDF.
- PVGIS
- NASA POWER
- NSRDB
- SARAH-3
- MOSDAC
Safety before simulate
Cold-morning voltage. Cable current at peak heat. Failures stop the run.
The PDF lenders ask for
Full datasheets, citations, 25-year wear. One file.
Solar and BESS together
One workspace. No spreadsheet between production and storage.
Public pages only
What REEOS does that other tools don't list.
Each row is something REEOS ships in the product. Competitor cells are only what their own sites say — not a feature hunt.
Based on each vendor's public pages, checked October 16, 2026. “—” means not listed on their public pages.
| What REEOS does | REEOS | PVsyst | Aurora / HelioScope | OpenSolar | ARKA 360 |
|---|---|---|---|---|---|
| Resolves wind zone (IS 875), seismic zone and state rules at the pin | ✓ | — | — | — | — |
| Compares 5 weather sources, picks the best and shows which | ✓ | — | — | — | — |
| Blocks unsafe string lengths (cold-morning voltage over the inverter limit) | ✓ | — | — | — | — |
| Checks cable current rating at the site's peak temperature | ✓ | — | — | — | — |
| Plausibility check on every run against typical bands and state averages, printed in the report | ✓ | — | — | — | — |
| Yield range across 5 weather datasets, for any percentile you choose | ✓ | — | — | — | — |
| One PDF with full module and inverter datasheets, source citations and 25-year degradation | ✓ | — | — | — | — |
| Multi-site solar and BESS tender analysis | ✓ | — | — | — | — |
Start, or talk to us
Saved to our list. Sandbox link by email. Reply within one business day.
Plans
Start on a trial. Move to a seat when the PDF is in the bid.
Entry
Trial
A few days on real projects before you buy seats.
- Sandbox on BVJ numbers
- Sample bankable PDF
Most teams
Professional
Per seat
Weekly rooftop and ground-mount. Weather, losses, PDF.
- Pin, kit, year, PDF in one run
- Five weather sources locked
Enterprise
Custom
Multi-site solar, BESS, tenders, and a named contact.
- Tender packs
- Named engineering contact
Questions
Indian codes at the pin, five weather sources, and a loss trail you can hand a lender. Read the public comparison and the PVsyst alternative page.